/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:19:46,630 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:19:46,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:19:46,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:19:46,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:19:46,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:19:46,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:19:46,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:19:46,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:19:46,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:19:46,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:19:46,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:19:46,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:19:46,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:19:46,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:19:46,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:19:46,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:19:46,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:19:46,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:19:46,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:19:46,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:19:46,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:19:46,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:19:46,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:19:46,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:19:46,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:19:46,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:19:46,774 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:19:46,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:19:46,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:19:46,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:19:46,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:19:46,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:19:46,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:19:46,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:46,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:19:46,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:19:46,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:19:46,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:19:46,778 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:19:46,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:19:46,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:19:47,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:19:47,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:19:47,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:19:47,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:19:47,088 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:19:47,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-09-16 10:19:47,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84c486ba/63cd1b49f3d149438cfa49cc38fa9587/FLAG3571bb2c2 [2022-09-16 10:19:47,708 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:19:47,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-09-16 10:19:47,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84c486ba/63cd1b49f3d149438cfa49cc38fa9587/FLAG3571bb2c2 [2022-09-16 10:19:48,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84c486ba/63cd1b49f3d149438cfa49cc38fa9587 [2022-09-16 10:19:48,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:19:48,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:19:48,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:48,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:19:48,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:19:48,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153c0ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48, skipping insertion in model container [2022-09-16 10:19:48,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:19:48,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:19:48,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2022-09-16 10:19:48,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:48,622 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:19:48,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2022-09-16 10:19:48,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:48,710 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:19:48,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48 WrapperNode [2022-09-16 10:19:48,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:48,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:48,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:19:48,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:19:48,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,795 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 283 [2022-09-16 10:19:48,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:48,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:19:48,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:19:48,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:19:48,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:19:48,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:19:48,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:19:48,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:19:48,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (1/1) ... [2022-09-16 10:19:48,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:48,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:19:48,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:19:48,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:19:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:19:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:19:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:19:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:19:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:19:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:19:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:19:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:19:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:19:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:19:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:19:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:19:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:19:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:19:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:19:48,947 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:19:49,120 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:19:49,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:19:49,711 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:19:50,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:19:50,186 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:19:50,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:50 BoogieIcfgContainer [2022-09-16 10:19:50,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:19:50,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:19:50,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:19:50,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:19:50,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:19:48" (1/3) ... [2022-09-16 10:19:50,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a0f241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:50, skipping insertion in model container [2022-09-16 10:19:50,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:48" (2/3) ... [2022-09-16 10:19:50,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a0f241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:50, skipping insertion in model container [2022-09-16 10:19:50,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:50" (3/3) ... [2022-09-16 10:19:50,199 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2022-09-16 10:19:50,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:19:50,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:19:50,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:19:50,217 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:19:50,308 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:19:50,354 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 122 transitions, 259 flow [2022-09-16 10:19:51,613 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30592 states, 30566 states have (on average 3.697834194857031) internal successors, (113028), 30591 states have internal predecessors, (113028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:51,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:19:51,637 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3902bf4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:19:51,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:19:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 30592 states, 30566 states have (on average 3.697834194857031) internal successors, (113028), 30591 states have internal predecessors, (113028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:19:51,739 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:51,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:51,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:51,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash -217740060, now seen corresponding path program 1 times [2022-09-16 10:19:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:51,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937563666] [2022-09-16 10:19:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:19:51,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:51,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937563666] [2022-09-16 10:19:51,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937563666] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:51,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:51,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:19:51,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221425729] [2022-09-16 10:19:51,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:51,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:19:51,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:52,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:19:52,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:19:52,085 INFO L87 Difference]: Start difference. First operand has 30592 states, 30566 states have (on average 3.697834194857031) internal successors, (113028), 30591 states have internal predecessors, (113028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:52,667 INFO L93 Difference]: Finished difference Result 22981 states and 81355 transitions. [2022-09-16 10:19:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:19:52,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:19:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:53,081 INFO L225 Difference]: With dead ends: 22981 [2022-09-16 10:19:53,081 INFO L226 Difference]: Without dead ends: 22981 [2022-09-16 10:19:53,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:19:53,087 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:53,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 162 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:53,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22981 states. [2022-09-16 10:19:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22981 to 22981. [2022-09-16 10:19:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22981 states, 22927 states have (on average 3.5484363414315) internal successors, (81355), 22980 states have internal predecessors, (81355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22981 states to 22981 states and 81355 transitions. [2022-09-16 10:19:54,548 INFO L78 Accepts]: Start accepts. Automaton has 22981 states and 81355 transitions. Word has length 50 [2022-09-16 10:19:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:54,549 INFO L495 AbstractCegarLoop]: Abstraction has 22981 states and 81355 transitions. [2022-09-16 10:19:54,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22981 states and 81355 transitions. [2022-09-16 10:19:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:19:54,561 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:54,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:54,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:19:54,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:54,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1273944136, now seen corresponding path program 1 times [2022-09-16 10:19:54,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:54,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548334773] [2022-09-16 10:19:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:19:54,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:54,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548334773] [2022-09-16 10:19:54,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548334773] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:54,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:54,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:54,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679144922] [2022-09-16 10:19:54,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:54,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:54,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:54,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:54,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:54,841 INFO L87 Difference]: Start difference. First operand 22981 states and 81355 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:55,227 INFO L93 Difference]: Finished difference Result 20239 states and 70353 transitions. [2022-09-16 10:19:55,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:55,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-09-16 10:19:55,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:55,524 INFO L225 Difference]: With dead ends: 20239 [2022-09-16 10:19:55,525 INFO L226 Difference]: Without dead ends: 20239 [2022-09-16 10:19:55,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:55,526 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 146 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:55,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 217 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20239 states. [2022-09-16 10:19:56,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20239 to 19429. [2022-09-16 10:19:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19429 states, 19402 states have (on average 3.530048448613545) internal successors, (68490), 19428 states have internal predecessors, (68490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19429 states to 19429 states and 68490 transitions. [2022-09-16 10:19:56,311 INFO L78 Accepts]: Start accepts. Automaton has 19429 states and 68490 transitions. Word has length 62 [2022-09-16 10:19:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:56,312 INFO L495 AbstractCegarLoop]: Abstraction has 19429 states and 68490 transitions. [2022-09-16 10:19:56,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 19429 states and 68490 transitions. [2022-09-16 10:19:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:19:56,315 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:56,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:56,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:19:56,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:56,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:56,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1273944135, now seen corresponding path program 1 times [2022-09-16 10:19:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:56,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561902187] [2022-09-16 10:19:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:19:56,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:56,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561902187] [2022-09-16 10:19:56,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561902187] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:56,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:56,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:56,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759184573] [2022-09-16 10:19:56,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:56,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:56,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:56,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:56,448 INFO L87 Difference]: Start difference. First operand 19429 states and 68490 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:56,836 INFO L93 Difference]: Finished difference Result 15607 states and 54914 transitions. [2022-09-16 10:19:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:56,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-09-16 10:19:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:56,904 INFO L225 Difference]: With dead ends: 15607 [2022-09-16 10:19:56,905 INFO L226 Difference]: Without dead ends: 15607 [2022-09-16 10:19:56,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:56,906 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 105 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:56,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 297 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15607 states. [2022-09-16 10:19:57,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15607 to 15607. [2022-09-16 10:19:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15607 states, 15598 states have (on average 3.5205795614822413) internal successors, (54914), 15606 states have internal predecessors, (54914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15607 states to 15607 states and 54914 transitions. [2022-09-16 10:19:57,505 INFO L78 Accepts]: Start accepts. Automaton has 15607 states and 54914 transitions. Word has length 62 [2022-09-16 10:19:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:57,506 INFO L495 AbstractCegarLoop]: Abstraction has 15607 states and 54914 transitions. [2022-09-16 10:19:57,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 15607 states and 54914 transitions. [2022-09-16 10:19:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:19:57,520 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:57,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:57,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:19:57,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:57,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:57,523 INFO L85 PathProgramCache]: Analyzing trace with hash 786226373, now seen corresponding path program 1 times [2022-09-16 10:19:57,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:57,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747031551] [2022-09-16 10:19:57,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:57,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:19:57,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:57,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747031551] [2022-09-16 10:19:57,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747031551] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:57,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:57,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:19:57,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117972636] [2022-09-16 10:19:57,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:57,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:19:57,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:57,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:19:57,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:19:57,814 INFO L87 Difference]: Start difference. First operand 15607 states and 54914 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:58,005 INFO L93 Difference]: Finished difference Result 14797 states and 52241 transitions. [2022-09-16 10:19:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:19:58,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-09-16 10:19:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:58,007 INFO L225 Difference]: With dead ends: 14797 [2022-09-16 10:19:58,007 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:19:58,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:19:58,013 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 367 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:58,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 206 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:19:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:19:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:19:58,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2022-09-16 10:19:58,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:58,019 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:19:58,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:19:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:19:58,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:19:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:19:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:19:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:19:58,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:19:58,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:19:58,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:19:58,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:19:58,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:19:58,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:19:58,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:19:58,029 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:19:58,033 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:19:58,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:19:58,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:19:58 BasicIcfg [2022-09-16 10:19:58,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:19:58,038 INFO L158 Benchmark]: Toolchain (without parser) took 9875.92ms. Allocated memory was 169.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 113.5MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 480.4MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,038 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 169.9MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:19:58,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.86ms. Allocated memory was 169.9MB in the beginning and 204.5MB in the end (delta: 34.6MB). Free memory was 113.2MB in the beginning and 167.0MB in the end (delta: -53.8MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.14ms. Allocated memory is still 204.5MB. Free memory was 167.0MB in the beginning and 163.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,039 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 204.5MB. Free memory was 163.9MB in the beginning and 161.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,039 INFO L158 Benchmark]: RCFGBuilder took 1339.90ms. Allocated memory is still 204.5MB. Free memory was 161.3MB in the beginning and 140.0MB in the end (delta: 21.2MB). Peak memory consumption was 94.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,040 INFO L158 Benchmark]: TraceAbstraction took 7846.64ms. Allocated memory was 204.5MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 139.5MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 470.5MB. Max. memory is 8.0GB. [2022-09-16 10:19:58,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 169.9MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 547.86ms. Allocated memory was 169.9MB in the beginning and 204.5MB in the end (delta: 34.6MB). Free memory was 113.2MB in the beginning and 167.0MB in the end (delta: -53.8MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.14ms. Allocated memory is still 204.5MB. Free memory was 167.0MB in the beginning and 163.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.98ms. Allocated memory is still 204.5MB. Free memory was 163.9MB in the beginning and 161.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1339.90ms. Allocated memory is still 204.5MB. Free memory was 161.3MB in the beginning and 140.0MB in the end (delta: 21.2MB). Peak memory consumption was 94.1MB. Max. memory is 8.0GB. * TraceAbstraction took 7846.64ms. Allocated memory was 204.5MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 139.5MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 470.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 670 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 670 mSDsluCounter, 882 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 485 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 445 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30592occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:19:58,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...